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- This paper introduces a new method to analyze impure composition in oil.Impure composition in new and aged oil is analyzed by electron disperse analyzer. 为解决老化油中杂质成分不易分析的困难,介绍了一种用电子能谱分析仪分析油中杂质成分的新方法。
- Over time the surface of the soil has become a historical hodgepodge: bits of late Bronze Age oil jars are mixed indiscriminately with eighteenth-century Roman roof tiles. 随着时间的流逝,这些土壤已经变成了一个历史大杂烩:青铜时代晚期的油罐碎片同18世纪罗马屋顶瓦片混杂在一起。
- The wax content,gum asphaltic content,mechanic impurities and physic-chemical properties in aging oil are analyzed. 对老化油中的含蜡量、胶质沥青质含量、机械杂质及物理化学性质进行了分析,研究了老化油对电流、电压的影响程度。
- The world oil market has also learned to be disappointed with non-OPEC producers, as underinvestment and aging oil fields in places such as Mexico and Russia have crimped crude production. 一些非欧佩克成员的产油国也令石油市场失望不已,比如,墨西哥和俄罗斯等国投资不足以及油田老化的状况制约了原油产量。
- The wax content,gum asphaltic content,mechanic impurities and physic-chemical properties in aging oil are analyzed.The degree of aging oil influence on the current,voltage is studied. 对老化油中的含蜡量、胶质沥青质含量、机械杂质及物理化学性质进行了分析,研究了老化油对电流、电压的影响程度。
- The drainage system has been aged. 排水系统已经老化了。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- The aged is taken care of in the old folks home. 老年人在养老院里受到照顾。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- The sick and the aged need our help. 病人和老人需要我们帮助。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Age and wedlock we all desire and repent of. 成年与婚姻,均为我辈所欲,亦为我辈所悔。
- Her widowhood condemns her to a lonely old age. 守寡使她不得不过着孤独的晚年生活。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- He has always assorted with men of his age. 他总是与和他年令相仿的人交往。
- He's of an age when he ought to settle down. 他已经到了应该安顿下来的年龄了。